Added unit tests for populating the type feature provider (#16399)

Co-authored-by: Zoltán Lehóczky <zoltan.lehoczky@lombiq.com>
Co-authored-by: Mike Alhayek <mike@crestapps.com>

test/OrchardCore.Tests.Modules/BaseThemeSample/DependentTypes.cs

@@ -0,0 +1,17 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using OrchardCore.Modules;
+
+namespace BaseThemeSample;
+
+public class BaseThemeFeatureIndependentStartup : StartupBase 
+{ 
+}
+
+[Feature("BaseThemeSample")]
+public class BaseThemeSampleStartup : StartupBase 
+{
+}

test/OrchardCore.Tests.Modules/ModuleSample/DependentTypes.cs

@@ -0,0 +1,17 @@
+using OrchardCore.Environment.Extensions;
+using OrchardCore.Modules;
+
+namespace ModuleSample;
+
+public class FeatureIndependentStartup : StartupBase { }
+
+[Feature("Sample1")]
+public class Sample1Startup : StartupBase 
+{
+}
+
+[Feature("Sample2")]
+[FeatureTypeDiscovery(SkipExtension = true)]
+public class SkippedDependentType 
+{
+}

test/OrchardCore.Tests/Extensions/ExtensionManagerTests.cs

@@ -1,3 +1,5 @@
+using BaseThemeSample;
+using ModuleSample;
 using OrchardCore.DisplayManagement.Events;
 using OrchardCore.DisplayManagement.Extensions;
 using OrchardCore.Environment.Extensions;
@@ -24,14 +26,16 @@ private static readonly IApplicationContext _applicationContext
         private readonly ExtensionManager _moduleScopedExtensionManager;
         private readonly ExtensionManager _themeScopedExtensionManager;
         private readonly ExtensionManager _moduleThemeScopedExtensionManager;
+
+        private readonly TypeFeatureProvider _moduleScopedTypeFeatureProvider = new TypeFeatureProvider();
 
         public ExtensionManagerTests()
         {
             _moduleScopedExtensionManager = new ExtensionManager(
                 _applicationContext,
                 new[] { new ExtensionDependencyStrategy() },
                 new[] { new ExtensionPriorityStrategy() },
-                new TypeFeatureProvider(),
+                _moduleScopedTypeFeatureProvider,
                 _moduleFeatureProvider,
                 new NullLogger<ExtensionManager>()
                 );
@@ -167,7 +171,7 @@ public void GetFeaturesWithAIdShouldNotReturnFeaturesTheHaveADependencyOutsideOf
         /* Theme Base Theme Dependencies */
 
         [Fact]
-        public void GetFeaturesShouldReturnCorrectThemeHeirarchy()
+        public void GetFeaturesShouldReturnCorrectThemeHierarchy()
         {
             var features = _themeScopedExtensionManager.GetFeatures(["DerivedThemeSample"]);
 
@@ -222,5 +226,53 @@ public void ShouldReturnNotFoundExtensionInfoWhenNotFound()
 
             Assert.False(extension.Exists);
         }
+
+        /* The extension manager must populate the ITypeFeatureProvider correctly */
+
+        [Fact]
+        public void TypeFeatureProviderIsPopulatedWithComponentTypes()
+        {
+            var feature = _moduleScopedExtensionManager.GetFeatures(["Sample1"]).First();
+            var types = _moduleScopedTypeFeatureProvider.GetTypesForFeature(feature);
+
+            Assert.Equal(2, types.Count());
+            Assert.Contains(typeof(Sample1Startup), types);
+            Assert.Contains(typeof(FeatureIndependentStartup), types);
+        }
+
+        [Fact]
+        public void TypeFeatureProviderTypeMustBeMappedToAllFeatures()
+        {
+            // Types in modules that have no feature that matches the extension ID must be mapped to all features.
+            var features = _moduleScopedExtensionManager.GetFeatures(["Sample1", "Sample2", "Sample3", "Sample4"]);
+
+            foreach (var feature in features)
+            {
+                var types = _moduleScopedTypeFeatureProvider.GetTypesForFeature(feature);
+
+                Assert.Contains(typeof(FeatureIndependentStartup), types);
+            }
+        }
+
+        [Fact]
+        public void TypeFeatureProviderTypeMustBeMappedToExtensionFeature()
+        {
+            // Types in modules that have a feature that matches the extension ID must be mapped to that feature.
+            var feature = _moduleScopedExtensionManager.GetFeatures(["BaseThemeSample"]).First();
+            var types = _moduleScopedTypeFeatureProvider.GetTypesForFeature(feature);
+
+            Assert.Equal(2, types.Count());
+            Assert.Contains(typeof(BaseThemeSampleStartup), types);
+            Assert.Contains(typeof(BaseThemeFeatureIndependentStartup), types);
+        }
+
+        [Fact]
+        public void TypeFeatureProviderTypeMustBeSkipped()
+        {
+            var feature = _moduleScopedExtensionManager.GetFeatures(["Sample2"]).First();
+            var types = _moduleScopedTypeFeatureProvider.GetTypesForFeature(feature);
+
+            Assert.DoesNotContain(typeof(SkippedDependentType), types);
+        }
     }
 }